Century Drill 5/16-Inch Cobalt High Speed Steel Drill Bit (26220)
Century Drill 5/16-Inch Cobalt High Speed Steel Drill Bit (26220) is engineered for drilling in extremely hard materials, including stainless steel. The cobalt construction ensures high resistance to heat and friction, resulting in a longer tool life and superior performance.
This 5/16-inch HSS drill bit for stainless steel features a 135-degree quick-cut point that is self-centering, allowing for faster penetration with less pressure. Its design prevents walking or wandering at the starting surface, making it highly efficient for precise drilling tasks in the toughest materials.
Specifications and Dimensions
Material: Cobalt high speed steel
135-degree quick-cut point
Key Features and Benefits
Designed for drilling in extremely hard materials, including stainless steel
Heat and friction-resistant for a longer tool life
Self-centering point for accurate drilling
14 times life rating compared to standard HSS drill bits
Operates efficiently at 1500+ RPM
Product identification
- Brand: Century Drill
- Model / MPN: 26220






